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PDF OPA2604 Data sheet ( Hoja de datos )
| Número de pieza | OPA2604 | |
| Descripción | Dual FET-Input / Low Distortion OPERATIONAL AMPLIFIER | |
| Fabricantes | Burr-Brown | |
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OPA2604
OPA2604
OPA2604
www.burr-brown.com/databook/OPA2604.html
Dual FET-Input, Low Distortion
OPERATIONAL AMPLIFIER
FEATURES
q LOW DISTORTION: 0.0003% at 1kHz
q LOW NOISE: 10nV/√Hz
q HIGH SLEW RATE: 25V/µs
q WIDE GAIN-BANDWIDTH: 20MHz
q UNITY-GAIN STABLE
q WIDE SUPPLY RANGE: VS = ±4.5 to ±24V
q DRIVES 600Ω LOADS
APPLICATIONS
q PROFESSIONAL AUDIO EQUIPMENT
q PCM DAC I/V CONVERTER
q SPECTRAL ANALYSIS EQUIPMENT
q ACTIVE FILTERS
q TRANSDUCER AMPLIFIER
q DATA ACQUISITION
DESCRIPTION
The OPA2604 is a dual, FET-input operational ampli-
fier designed for enhanced AC performance. Very low
distortion, low noise and wide bandwidth provide
superior performance in high quality audio and other
applications requiring excellent dynamic performance.
New circuit techniques and special laser trimming of
dynamic circuit performance yield very low harmonic
distortion. The result is an op amp with exceptional
sound quality. The low-noise FET input of the
OPA2604 provides wide dynamic range, even with high
source impedance. Offset voltage is laser-trimmed to
minimize the need for interstage coupling capacitors.
The OPA2604 is available in 8-pin plastic mini-DIP
and SO-8 surface-mount packages, specified for the
–25°C to +85°C temperature range.
(+)
(3, 5)
(–)
(2, 6)
(8)
V+
Distortion
Rejection
Circuitry*
Output
Stage*
(1, 7)
VO
* Patents Granted:
#5053718, 5019789
(4)
V–
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1991 Burr-Brown Corporation
PDS-11069E
POrinPtedAin2U.6S.0A.4October, 1997
®
1 page  
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, VS = ±15V, unless otherwise noted.
INPUT BIAS CURRENT
vs TIME FROM POWER TURN-ON
1nA
VS = ±24VDC
VS = ±15VDC
100
10 VS = ±5VDC
1
012345
Time After Power Turn-On (min)
COMMON-MODE REJECTION
vs COMMON-MODE VOLTAGE
120
110
100
90
80
–15
–10 –5
0
5
Common-Mode Voltage (V)
10
15
POWER SUPPLY AND COMMON-MODE
REJECTION vs FREQUENCY
120
CMR
100
80
–PSR
60
+PSR
40
20
0
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
AOL, PSR, AND CMR vs SUPPLY VOLTAGE
120
110
CMR
100
AOL
90
80
PSR
70
5 10 15 20 25
Supply Voltage (±VS)
GAIN-BANDWIDTH AND SLEW RATE
vs SUPPLY VOLTAGE
28
24
Gain-Bandwidth
G = +100
20
Slew Rate
16
12
5
10 15 20
Supply Voltage (±VS)
33
29
25
21
17
25
GAIN-BANDWIDTH AND SLEW RATE
vs TEMPERATURE
28 30
Slew Rate
24 25
20
Gain-Bandwidth
G = +100
16
20
15
12
–75 –50 –25
0 25 50
Temperature (°C)
10
75 100 125
®
5 OPA2604
5 Page 
I-Out DAC
COUT
C1*
R1
2kΩ
12
OPA2604
R2
2.94kΩ
C2
2200pF
R3
21kΩ
* C1 =~
COUT
2π R1 fc
R1 = Feedback resistance = 2kΩ
fc = Crossover frequency = 8MHz
12
OPA2604
VO
C3
470pF
Low-pass
2-pole Butterworth
f–3dB = 20kHz
FIGURE 5. DAC I/V Amplifier and Low-Pass Filter.
7.87kΩ
–
VIN 100pF
+
7.87kΩ
100kHz Input Filter
12
OPA2604
12
OPA2604
FIGURE 6. Differential Amplifier with Low-Pass Filter.
10kΩ
10kΩ
12
OPA2604
10kΩ
10kΩ
VO
G=1
®
11 OPA2604
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet OPA2604.PDF ] | |
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